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Below is a collection of Jim Grant's Tech Tips sorted by Vehicle Make. These Tech Tips were answers to questions submitted to Jim by ALLDATAdiy.com users over the course of many years.
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  Jim Grant's Tech Tips

'96 Ford Taurus, Emissions Coil Pack

Q: The service engine light came on and started blinking on my ’96 Ford Taurus. When it happened the car started running extremely rough, idling, and accelerating etc. We took it to the dealer who, after a diagnostic check, said that the plugs, wires and emissions coil pack were bad and needed replacing at a cost of $800. After speaking with a friend who is a backyard mechanic, he suggested disconnecting the battery and replacing just the plugs and wires and when the battery is reconnected the computer might reset and fix the problem. After doing this, the light did go out and the car ran a lot better but still had a slight miss to it. Three weeks later the light came on again and started blinking. Can the emissions coil pack be replaced now without replacing the plugs and wires again? I am mechanically inclined and do work on the cars myself (brakes, oil changes, alternators etc) is this going to be too much for me or is it a simple swap as long as the plug wires go on as taken off?

- Mike J.

A: I think the part you’re referring to, is called an ignition coil pack. The engine in your vehicle does not have a distributor. Sensors now replace the distributor and the vehicle’s computer uses the sensor information in determining when spark is needed. Spark is provided by a group of ignition coils that are called a coil pack. You don’t have to replace the spark plugs or spark plug wires when replacing an ignition coil pack. If you perform repairs yourself you’ll find replacement of the coil pack is relatively simple.

 
     
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